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News / LNG Bunkering/ Wärtsilä launches 31SG pure gas engine for marine market applications

Wärtsilä launches 31SG pure gas engine for marine market applications

18 Sep 2019
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The technology group Wärtsilä on Tuesday (17 September) launched the Wärtsilä 31SG pure gas engine for marine market applications.

It is based on the successful Wärtsilä 31 product platform; the diesel version of the engine has been recognised by Guinness World Records as being the world’s most efficient 4-stroke diesel engine.

The Wärtsilä 31SG engine further reduces the total cost of ownership and the environmental footprint for vessels operating in regions where there is a developed gas infrastructure.

“The highly efficient Wärtsilä 31SG moves the industry forward by providing owners and operators with a practical means for lowering costs and enhancing environmental sustainability,” says Rasmus Teir, Product Manager, Wärtsilä Marine.

“The gas-only focus and lean-burn spark ignition technology allows for further optimisation of thermal efficiency, while lowering greenhouse gas emissions and facilitating adaptations for alternative heavier gas fuels, such as LPG.”

Following Wärtsilä’s introduction of dual-fuel engine technology in the 1990s, LNG has become established as a viable and attractive marine fuel, says the company.

This has led to the rapid expansion of the global LNG bunkering infrastructure, which sets the stage for the next evolutionary step, namely a larger scale application of pure gas engines within the marine and offshore industries.

The Wärtsilä 31SG is ideally suited for hybrid applications, since it provides outstanding thermal efficiency while also providing investment cost reductions that help offset the additional cost of energy storage.

Pairing the Wärtsilä 31SG with battery packs furthermore enables designing for redundancy, while securing the highest total system efficiency.

Photo credit: Wärtsilä
Published: 18 September, 2019

 

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